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/**
* @file midicontroller.h
* @author Sean Pappalardo spappalardo@mixxx.org
* @date Tue 7 Feb 2012
* @brief MIDI Controller base class
*
* This is a base class representing a MIDI controller.
* It must be inherited by a class that implements it on some API.
*
* Note that the subclass' destructor should call close() at a minimum.
*/
#ifndef MIDICONTROLLER_H
#define MIDICONTROLLER_H
#include "controllers/controller.h"
#include "controllers/midi/midicontrollerpreset.h"
#include "controllers/midi/midicontrollerpresetfilehandler.h"
#include "controllers/midi/midimessage.h"
#include "controllers/midi/midioutputhandler.h"
#include "controllers/softtakeover.h"
class MidiController : public Controller {
Q_OBJECT
public:
MidiController();
virtual ~MidiController();
virtual QString presetExtension();
virtual ControllerPresetPointer getPreset() const {
MidiControllerPreset* pClone = new MidiControllerPreset();
*pClone = m_preset;
return ControllerPresetPointer(pClone);
}
virtual bool savePreset(const QString fileName) const;
virtual void visit(const MidiControllerPreset* preset);
virtual void visit(const HidControllerPreset* preset);
virtual void accept(ControllerVisitor* visitor) {
if (visitor) {
visitor->visit(this);
}
}
virtual bool isMappable() const {
return m_preset.isMappable();
}
virtual bool matchPreset(const PresetInfo& preset);
signals:
void messageReceived(unsigned char status, unsigned char control,
unsigned char value);
protected:
Q_INVOKABLE void sendShortMsg(unsigned char status, unsigned char byte1, unsigned char byte2);
// Alias for send()
Q_INVOKABLE inline void sendSysexMsg(QList<int> data, unsigned int length) {
send(data, length);
}
void receive(unsigned char status, unsigned char control,
unsigned char value, int timestamp);
// For receiving System Exclusive messages
void receive(const QByteArray data);
virtual int close();
private slots:
// Initializes the engine and static output mappings.
bool applyPreset(QList<QString> scriptPaths, bool initializeScripts);
void learnTemporaryInputMappings(const MidiInputMappings& mappings);
void clearTemporaryInputMappings();
void commitTemporaryInputMappings();
private:
void processInputMapping(const MidiInputMapping& mapping,
unsigned char status,
unsigned char control,
unsigned char value);
void processInputMapping(const MidiInputMapping& mapping,
const QByteArray& data);
virtual void sendWord(unsigned int word) = 0;
double computeValue(MidiOptions options, double _prevmidivalue, double _newmidivalue);
void createOutputHandlers();
void updateAllOutputs();
void destroyOutputHandlers();
// Returns a pointer to the currently loaded controller preset. For internal
// use only.
virtual ControllerPreset* preset() {
return &m_preset;
}
QHash<uint16_t, MidiInputMapping> m_temporaryInputMappings;
QList<MidiOutputHandler*> m_outputs;
MidiControllerPreset m_preset;
SoftTakeoverCtrl m_st;
QList<QPair<MidiInputMapping, unsigned char> > m_fourteen_bit_queued_mappings;
// So it can access sendShortMsg()
friend class MidiOutputHandler;
friend class MidiControllerTest;
};
#endif
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